West Virginia Solid Waste Management Board. West Virginia Solid Waste Management Plan 2007.
Citazione stile Chigago Style (17a edizione)West Virginia Solid Waste Management Board. West Virginia Solid Waste Management Plan 2007.
Citatione MLA (9a ed.)West Virginia Solid Waste Management Board. West Virginia Solid Waste Management Plan 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.